查询词典 neutrons

The number of neutrons in an atom, the neutron number, is given by the quantity A-Z.

这个术语指的是，纯元素的原子与所有的物质单一类型。

Models of element synthesis during the supernova explosions predict that the abundance ratios of actinides with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios of protons, neutrons and electrons.

模型元素的合成，在超新星爆炸预言的丰度比锕对于其他稳定更重的元素，比铁很敏感，对环境造成的爆炸，如熵和比例的质子，中子和电子。

It can be used to simulate the transportation of alpha particle in media, to compute the neutron yield in media contains oxygen and to track the history of the secondary neutrons.

开发了低能α粒子与中子耦合输运程序，可以计算低能α粒子在各种介质中的输运、含氧介质中的中子产额，跟踪次级中子。

The stopping power and range of alpha particle in media are given by SRIM code, the alpha-neutron cross section is from charged particle library in JENDL, and the neutrons are treated by MCNP code.

粒子的射程与阻止本领用SRIM程序计算，截面取自最新的JENDL带电粒子库，次级中子跟踪使用MCNP程序。

The particles expelled when the atom explodes are protons, alpha rays or neutrons.

原子爆炸时排出的粒子是质子、a射线或中子。

In fact, the arithmetic is not set up this way, the quality of nuclear helium than two protons and two neutrons, and the quality of fewer 0.0302 atomic mass unit [57]!

实际上，这样的算术并不成立，氦核的质量比2个质子、2个中子质量之和少了0.0302原子质量单位[57]！

The sum of the number of neutrons and protons in an atomic nucleus.

原子核中中子和质子数之和。

One of two or more atoms with the same atomic number but with different numbers of neutrons.

两个或更多具有相同原子数和不同中子数的原子中的一个。

The reacting cosmic particles producing nuclides primarily include secondary fast neutrons, thermal neutrons and slow negative muons. Due to the differential special distribution of these reacting particles, the production rates of Cosmogenic nuclides at different latitude, altitude and depth are different.

产生宁宙成因核素宇宙射线粒子主要是次生快中子、热中子和负慢介子，由于这些宇宙射线粒子在空间分布上的不同，地球上不同纬度、海拔高度和深度处的宇宙成因核素生成速率也表现出较大的差异。

The neutrons are generated by bombard ing a heavy form of hydrogen, called tritium, with a lighter isotope of the gas, called deuterium. The resulting collisions create helium atoms and a stream of neutrons.

中子是通过氢的一种名叫氘的较氚轻的同位素来撞击它的一种名叫氚的重同位素而产生的，它们之间发生的碰撞创造了氦原子和中子流。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。